Hywel ap Ieuaf

Hywel ap Ieuaf (940-985) was Prince of Gwynedd from 979 to 985, succeeding Iago ab Idwal and preceding Cadwallon ab Ieuaf.

Biography
Hywel ap Ieuaf was the son of Ieuaf ap Idwal, and he was the nephew of Iago ab Idwal. Ieuaf and Iago quarrelled, and Iago imprisoned Ieuaf. In 974, Hywel rose an army and drove his uncle from Gwynedd temporarily, and Iago was forced to share power with his nephew. In 979, Hywel defeated Iago, and Iago was captured by the Vikings that same month. Hywel defeated Iago's son Custennin ab Iago in 980 and forced Custennin's Viking ally, Gofraid mac Arailt, to flee. Hywel attempted to expand his kingdom to the south, but he was betrayed by his English allies and killed in 985.